html {
    font-size: 100px;
}

* {
    font-size: .14rem;
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    font-family: "微软雅黑";
    box-sizing: border-box;
}

body {
    -webkit-user-select: none;
    -webkit-touch-callout: none;
}

button,
textarea,
select,
input {
    appearance: none;
}

a {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0)
}

html,
body {
    width: 100%;
    height: 100%;
}

.box {
    width: 300px;
    height: 200px;
    background-color: #ccc;
    h1 {
        width: 100%;
        height: 120px;
        font-size: 30px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .btnArr {
        width: 100%;
        height: 80px;
        display: flex;
        align-items: center;
        justify-content: space-around;
        button {
            width: 80px;
            height: 35px;
        }
    }
}